Ash Carter: “Our strength in Europe is our alliance with NATO and the political solidarity that that represents.”

"Up-or-out" isn't broken--in fact, it's an essential and highly successful system--but it's also not perfect.

The international community, United Nations Security Council and especially the other six-party powers must hold North Korea accountable for this latest act and heighten the pressure on North Korea.

It absolutely is. That's why we quadrupled the European Reassurance Initiative.

The United States will not ignore attempts to interfere with our democratic processes.